As a key infrastructure,port breakwaters are prone to deformation and damage due to their special geographical location,unique geological conditions,and complex construction materials,resulting in extremely complex operating environments and enormous risks.In order to detect the current situation of port breakwaters and surrounding riprap,a multi-sensor information fusion water-land integrated measurement method is proposed.This method includes equipment such as unmanned aerial vehicle aerial photography system,multi beam bathymetry system,portable side scan sonar,and shallow layer profiler system.The collected 3D point cloud,boundary line,seabed mud layer thickness,and other data are combined with ICP algorithm for data fusion processing,more accurate measurement data can be obtained,and the advantages of different sensors are complementary.This water-land integrated measurement method can more effectively and intuitively understand the changes in water structures and the erosion situation of underwater engineering,and provide effective technical support for better evaluation and monitoring of the status of breakwaters.
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